Latest IAU definition of planet Stories
While the concept behind Uwingu is intriguing, IAU says it is misleading because their naming campaigns have no bearing on the official naming process.
Since the online citizen science project Planet Hunters launched last December, 40,000 web users from around the world have been helping professional astronomers analyze. the light from 150,000 stars in the hopes of discovering Earth-like planets orbiting around them
Pluto's lowered celestial status will probably stick at an upcoming meeting of astronomers in Rio de Janeiro, an American astronomer predicted Sunday.
By Andy Sullivan WASHINGTON (Reuters) - Hundreds of U.S. scientists have challenged a recent decision by an international astronomy group to strip Pluto of its planetary status with a petition rejecting its definition of what constitutes a planet.
By Donna Smith WASHINGTON (Reuters) - Pluto's los
PRAGUE (Reuters) - Scientists from around the world on Thursday approved a new definition of a planet, downgrading Pluto's status to leave just eight classical planets.
Few planet hunters stand to gain as much as Michael Brown if our solar system balloons to 12 planets under a new definition. He's spotted more than a dozen objects that might qualify as planets. So why is he upset? "When I was a kid, planets were special," he said. "This definition takes the magic out of the solar system."
Learning the planets of our solar system is about to become more difficult for school children around the world.
By Alan Crosby PRAGUE (Reuters) - The question of whether Pluto is a real planet, hotly debated by scientists for decades, came to a head on Wednesday when the global astronomers' body proposed a definition of a planet that raises their number to 12 from nine.
By Gina Keating LOS ANGELES (Reuters) - A California astronomer has discovered what he believes is the 10th planet in our solar system, a group of NASA-funded researchers said on Friday.